hi all,
we have further question to all..
as per DIN and IS standards springs above 8 or 12mm dia wire/rod should be hot coiled due to some manufacturing difficulties..
now we have approached some manufacturers they say that they can coil the springs up to 30 mm dia wire/rod with cold coiling...
hi guys..
thank you very much for your valuable feed back..
we observed that the springs were failing due to unethical manufacturing process (heat treatment was not properly done) followed by manufacturer..
HI
I REQUEST ALL TO PLEASE LET US KNOW THE DIFFERENCE BETWEEN COLD COIL COMPRESSION SPRING & HOT COIL COMPRESSION SPRINGS IN TERMS OF ITS MECHANICAL PROPERTIES,WHICH SPRING LIFE IS BEST. WE DID NOT UNDERSTAND WHY SPRINGS WERE BREAKING DURING THERE SERVICE LIFE EVEN WHEN BOTH THE SPRING WERE...